求翻译：而且由于法定长假的缘故，那时人们上班都不会太正常，尤其是快递会有积压，按以往经验，投递肯定会延期，故交单效期若在贵司银行柜台到期的话，最大限度我们所能接受的交单期限是不晚于提单签发日后21天。是什么意思？

Reason and because the statutory holiday, when people go to work are not too normal, especially in the backlog will express, according to past experience, will certainly be postponed delivery, Gujiao valid if a single bank counter expires, then your company to maximize our acceptable deadline to pay

But due to statutory extended leave, at that time because it was at work, in particular, will not be too normal express delivery will be a backlog, according to the Past experience will certainly be postponed, if in the drop-in effect if your bank counters due to the maximum if we can accept single-

Moreover as a result of the legal long vacation reason, the people went to work at that time all cannot too be normal, express could have the backlog in particular, according to formerly experienced, the delivery definitely could postpone, if the old friend single effect time expired in the expensiv

And because the account of a statutory holiday, when people go to work, are not very normal, especially express delivery backlogs, according to past experience, delivery must be postponed, single-activity period in your old friend bank counter expires, the maximum period for presentation is that we

And because the account of a statutory holiday, when people go to work, are not very normal, especially express delivery backlogs, according to past experience, delivery must be postponed, single-activity period in your old friend bank counter expires, the maximum period for presentation is that we